1122152142145 has 32 divisors (see below), whose sum is σ = 1381775068800. Its totient is φ = 874569332736.

The previous prime is 1122152142143. The next prime is 1122152142161. The reversal of 1122152142145 is 5412412512211.

It is a happy number.

It is not a de Polignac number, because 1122152142145 - 2¹ = 1122152142143 is a prime.

It is a super-2 number, since 2×1122152142145² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122152142143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47398371 + ... + 47422039.

It is an arithmetic number, because the mean of its divisors is an integer number (43180470900).

Almost surely, 2^{1122152142145} is an apocalyptic number.

It is an amenable number.

1122152142145 is a deficient number, since it is larger than the sum of its proper divisors (259622926655).

1122152142145 is a wasteful number, since it uses less digits than its factorization.

1122152142145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25297.

The product of its digits is 6400, while the sum is 31.

Adding to 1122152142145 its reverse (5412412512211), we get a palindrome (6534564654356).

The spelling of 1122152142145 in words is "one trillion, one hundred twenty-two billion, one hundred fifty-two million, one hundred forty-two thousand, one hundred forty-five".